* {
	margin:0;
	padding:0;
}
#menu {
	position:fixed;
	top:25%;
	left:40px;
	width:30px;
	border:1px solid;
}
#menu ul li {
	position:relative;
	width:30px;
	height:30px;
	list-style:none;
	text-align:center;
	line-height:30px;
	font-size:12px;
	cursor:pointer;
	border-bottom:1px dotted #AAAAAA;
}
#menu ul li.last {
	background:#ccc;
	color:black;
	border-bottom:none;
}
#menu ul li span {
	display:none;
	width:30px;
	height:30px;
	position:absolute;
	top:0;
	left:0;
	color:red;
}
#menu ul li:hover span {
	display:block;
	background:darkred;
	color:white;
}
#menu ul li span.active {
	display:block;
	background:darkred;
	color:white;
}
#menu ul li:hover span.active {
	display:block;
	background:darkred;
	color:white;
}


#header,#main,#footer {
	margin:auto;
	width:1000px;
	text-align:center;
	font-size:40px;
	font-weight:bold;
	line-height:500px;
}
#main div {
	height:700px;
	font-size:50px;
	color:honeydew;
	line-height:700px;
}
#header {
	height:500px;
	background:#ccc;
}
#footer {
	height:500px;
	background:#ccc;
}